What color is #1F090A?

#1F090A is a very dark, moderate red, closest to the named color Dwarf Fortress. It belongs to the black family of colors.

What is the RGB value of #1F090A?

The RGB value is 31, 9, 10: 31 red, 9 green and 10 blue on a 0 to 255 scale.

What is the complementary color of #1F090A?

The complementary color is #091F1E, found by rotating the hue 180° on the color wheel.

Is black or white text better on #1F090A?

White text. Black text has a contrast ratio of 1.1:1 and white text 19.06:1. WCAG asks for at least 4.5:1 for normal text.

#1F090A color

#1F090A rgb(31, 9, 10)

Shades of black

The hex color #1F090A is a very dark, moderate red.

In the RGB color model it is made of 12.2% red, 3.5% green and 3.9% blue (31, 9, 10).

Its hue angle is 357°, with 55% saturation and 8% lightness. For print, the CMYK equivalent is 0% cyan, 71% magenta, 68% yellow and 88% black.

The closest named color is Dwarf Fortress (#1D0200), a difference of 1.5 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 19.06:1).

#1F090A color codes

HEX	`#1F090A`
RGB	`rgb(31, 9, 10)`
RGB percent	`rgb(12.2%, 3.5%, 3.9%)`
HSL	`hsl(357, 55%, 8%)`
HSV / HSB	`hsv(357, 71%, 12%)`
CMYK	`cmyk(0%, 71%, 68%, 88%)`
CIE LAB	`lab(4.59, 9.59, 2.95)`
CIE LCH	`lch(4.59, 10.03, 17.11)`
CIE XYZ	`xyz(0.718, 0.509, 0.347)`
Decimal	`2033930`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #1F090A, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #1F090A	Ratio	AA	AAA	AA large
Sample text	1.1:1	Fail	Fail	Fail
Sample text	19.06:1	Pass	Pass	Pass

#1F090A as text on	Ratio	AA	AAA	AA large
Sample text	19.06:1	Pass	Pass	Pass
Sample text	1.1:1	Fail	Fail	Fail

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #1F090A looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #1f090a; }
.text { color: #1f090a; }
.border { border: 2px solid #1f090a; }
.transparent { background-color: rgb(31 9 10 / 50%); }
.gradient { background: linear-gradient(to right, #1f090a, #1f1309); }

Background

Text color

Border

Similar colors

Questions

What color is #1F090A?: #1F090A is a very dark, moderate red, closest to the named color Dwarf Fortress. It belongs to the black family of colors.
What is the RGB value of #1F090A?: The RGB value is 31, 9, 10: 31 red, 9 green and 10 blue on a 0 to 255 scale.
What is the complementary color of #1F090A?: The complementary color is #091F1E, found by rotating the hue 180° on the color wheel.
Is black or white text better on #1F090A?: White text. Black text has a contrast ratio of 1.1:1 and white text 19.06:1. WCAG asks for at least 4.5:1 for normal text.